package com.huiyuanai.service.bill;

import com.huiyuanai.dao.Contact;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.List;

/**
 * @Author: liwan
 * @Description:
 * @Date: create in 2021/10/18
 */
public interface BillService {
    //查询
    List<Contact> getContact(String productName, String ProviderId, int isPayment, int id) throws Exception;

    //新增
    int add(Contact contact) throws Exception;

    //删除
    int del(String id) throws Exception;


    //更新数据
    int upDate(Contact contact) throws Exception;
}
